Dan Wallach

Oct. 24, 2008

E-Voting Update

Early voting has started in some parts of the country leading up to the November 4 elections. We'll find out how new voting machines and methods are working, and talk about potential improvements in voting technology.

voting, election, voting machines, electronic voting

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Michael Pollan Talks Plants and Food

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How Humpbacks Hunt With Bubbles

Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.

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